Home / 18,521.16-25,514.09-14,040.54

Finding the Fourth Proportional to 18,521.16, 25,514.09 and 14,040.54

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Solution

The fourth proportional to 18,521.16, 25,514.09 and 14,040.54 is: 19,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.16 : 25,514.09 = 14,040.54 : x
  2. Step 2: Convert to fraction form
    18,521.16/25,514.09 = 14,040.54/x
  3. Step 3: Cross multiply
    18,521.16x = 25,514.09 × 14,040.54
  4. Step 4: Simplify right side
    18,521.16x = 358,231,583.66
  5. Step 5: Solve for x
    x = 358,231,583.66/18,521.16
  6. Step 6: Final answer
    x = 19,341.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.